This MIGHT be a problem with Lion, possibly in connection to your
printer driver.
Someone reported a Lion print problem to Skim; see here for details:
(https://sourceforge.net/tracker/?func=detail&aid=3375777&group_id=19=
2583&atid=941981).
On Tue, Feb 14, 2012 at 3:38 AM, phillman5 <phillman5 at gmail.com> wrote:
> I have Mathematica 7 Home. I searched in this news group with out any
> hints of Help. I upgraded to OSX Lion, and now can not use Print
> Selection, I just get a blank page. Printing the whole document
> works. Print PDF to Preview or to a file, the same, blank. I
> reinstalled my printer, nada. I tried different print environments
> (what ever that does) with no luck either.
>